Finding the Fourth Proportional to 49,752,039.76, 68,656,881.60 and 27,725,053.96
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Solution
The fourth proportional to 49,752,039.76, 68,656,881.60 and 27,725,053.96 is: 38,260,054.39
Step by Step Solution
- Step 1: Write the proportion equation
49,752,039.76 : 68,656,881.60 = 27,725,053.96 : x - Step 2: Convert to fraction form
49,752,039.76/68,656,881.60 = 27,725,053.96/x - Step 3: Cross multiply
49,752,039.76x = 68,656,881.60 × 27,725,053.96 - Step 4: Simplify right side
49,752,039.76x = 1,903,515,747,085,331 - Step 5: Solve for x
x = 1,903,515,747,085,331/49,752,039.76 - Step 6: Final answer
x = 38,260,054.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.